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SharePoint Web Folders: HTTP / HTTPS Question

  Asked By: Jeanne    Date: May 23    Category: Sharepoint    Views: 3246

I've got a SharePoint server that is configured to only use HTTPS. In
fact, HTTP traffic is blocked at the firewall, as is everything else.

While playing around with writing some documentation about how to "Add a
Network Place" using a SharePoint 2007 site, I noticed that it will NOT
take an HTTPS URL to add as a network folder.

However, if I type it in using the UNC path of
\\server\sitedirectory\<site>, it maps the folder under the user's My
Network Places and works normally.

Question: Is this actually happening over HTTPS and the "Add a network
place" option will just not take an HTTPS:// URL, or is there something
insecure going on here?



3 Answers Found

Answer #1    Answered By: Baiju Hoskeri     Answered On: May 23

There a few things to look at here. First, there are two different
technologies that can provide the web  Folder functionality; WebDAV and
FrontPage Remote Procedure Call (FPRPC). To make it more complicated
the client you're using can affect the functionality you get from each.
WebDAV is what is usually used. The protocol (and SharePoint) support
both http  and https, but not all WebDAV clients support https. The one
built into Windows does not, for instance. However, different versions
of the WebDAV client that Office installs do. For one you need a patch
for the support. That could be part of the problem you're seeing, the
WebDAV client your workstation is using doesn't handle https. I don't
remember how it all works, but in some cases your client will fall back
to using FPRPC if WebDAV fails. If you've ever gotten Web Folders in
Explorer that have the old flat style icons, that's FPRPC, not WebDAV.

So while I don't have the answer to your question  hopefully I've given
you enough information to see what's going on. Try to figure out which
WebDAV client is installed on your workstation, then hit the web and see
if that one supports https.

Answer #2    Answered By: Kristy Hicks     Answered On: May 23

Actually, I contacted the network folks and traced the traffic from my
desktop to the SharePoint server  in question.

It turns out that adding a SharePoint site to My Network Places can only
be done (in Windows XP) using the HTTP or \\<server>\ nomenclature,
which implies that it will not work with HTTPS.

In our case this is because internally people connect to the server and
are automatically authenticated. In the case of external users, they
have to actually logon because their systems are not part of the domain.
That means that they connect over HTTPS... and I'm fairly sure that they
cannot add  the MOSS server to their My Network Places.

Answer #3    Answered By: Amanda Brown     Answered On: May 23

HTTP traffic is normally enabled by default unless you've gone into IIS manager
and told it to require https. You may be blocking it at the firewall, but I
suspect its still active inside your firewall.

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